[Event "3rd UT-RGV IM Inv. 2017"] [Site "masterchessopen.com Brownsville USA"] [Date "2017.03.15"] [Round "4.5"] [White "Ruiz C,J"] [Black "Kambrath,Y"] [Result "1-0"] [WhiteElo "2343"] [BlackElo "2353"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 h6 8.Bh4 Qb6 9.a3 Be7 10.Bf2 Qc7 11.Be2 b5 12.Bf3 Bb7 13.O-O Nc6 14.Nb3 O-O 15.Qe2 Rac8 16.Rfd1 Rfe8 17.Be3 b4 18.axb4 Nxb4 19.Ra4 d5 20.e5 Ne4 21.Bd4 Bc6 22.Ra5 Rb8 23.Raa1 Rec8 24.Rdc1 Ba8 25.Kh1 Bf8 26.Qd1 Qd8 27.Ne2 Bb7 28.Be3 Qc7 29.Qg1 Bc6 30.Ned4 Bb7 31.Be2 Ra8 32.Qf1 a5 33.Nb5 Qd8 34.c3 Nc6 35.Ra4 f6 36.exf6 Nxf6 37.Rca1 Nd7 38.Bg4 Qf6 39.Nxa5 Nxa5 40.Rxa5 Rxa5 41.Rxa5 Nc5 42.Bd4 Qg6 43.Bh3 Nb3 44.Ra7 Bc6 45.Nc7 Nxd4 46.cxd4 Bd7 47.Nxd5 Qd3 48.Qg1 exd5 49.Rxd7 Rc2 50.Be6+ Kh7 51.Rf7 Qd2 52.Bf5+ Kg8 53.Rxf8+ Kxf8 54.Bxc2 Qxc2 55.Qa1 Qd2 56.Qa8+ Ke7 57.Qb7+ Kd6 58.Qb6+ Kd7 59.Qb5+ Ke7 60.Qc5+ Ke8 61.Qc8+ Ke7 62.Qc7+ Ke8 63.h3 Qxb2 64.Qe5+ Kf8 65.Kh2 Qf2 66.f5 Qf1 67.Qd6+ Ke8 68.Qxd5 Qf4+ 69.Kg1 Qe3+ 70.Kf1 Qd3+ 71.Kf2 Qd2+ 72.Kf3 Qd3+ 73.Kg4 Qe2+ 74.Qf3 Qd2 75.Qe4+ {#r} 1-0